Re: [PATCH v6 00/12] perf: arm_spe: Armv8.8 SPE features

[Leo Yan <leo.yan@arm.com>]

On Wed, Sep 17, 2025 at 02:24:29PM -0300, Arnaldo Carvalho de Melo wrote:
> On Fri, Aug 08, 2025 at 01:39:13PM +0100, Leo Yan wrote:
> > On Fri, Aug 08, 2025 at 12:22:57PM +0100, James Clark wrote:
> > > Support 3 new SPE features: FEAT_SPEv1p4 filters, FEAT_SPE_EFT extended
> > > filtering, and SPE_FEAT_FDS data source filtering. The features are
> > > independent can be applied separately:
> > > 
> > >   * Prerequisite sysreg changes - patch 1
> > >   * FEAT_SPEv1p4 - patches 2 - 3
> > >   * FEAT_SPE_EFT - patch 4
> > >   * FEAT_SPE_FDS - patches 5 - 9
> > >   * FEAT_SPE_FDS Perf tool changes - patches 10 - 12
> > > 
> > > The first two features will work with old Perfs but a Perf change to
> > > parse the new config4 is required for the last feature.
> > 
> > I tested FEAT_SPE_EFT (xxx_filter_mask), inv_data_src_filter
> > and inv_event_filter, all of them work as expected.
> > 
> > Tested-by: Leo Yan <leo.yan@arm.com>
> 
> Please let me know when I can merge the tools/perf bits.

Thanks for bringing up this, Arnaldo!

Just remind, James sent the latest series is v8 [1] couple weeks ago,
and I confirmed v8 can apply clearly on the latest mainline kernel.
We need kernel maintainers' review so can move forward.

Thanks,
Leo

[1] https://lore.kernel.org/linux-arm-kernel/20250901-james-perf-feat_spe_eft-v8-0-2e2738f24559@linaro.org/